Er. The number one song is still a member of the set of top ten songs,
which was probably kenny's point.

I'm Strongly suspicious about flawed set theory. Beside the mentioned
Barber paradox I will quote the famous 21st century mathematician
Neely saying: ...Two is not a winner and three nobody remembers ...

Set theory isn't flawed.
No one shaves the barber, [s]he can not exist.

Nice try but unacceptable, villager, village & barber must exist. And
don't the time trick neither.